BCU 460, BCU 465 · Edition 11.19
62
Fault signalling
Fault message (blinking)
DISPLAY
Description
Safety interlock failure
51
Permanent remote reset
52
Remote reset input activated > 10 s
Timing cycle too short
53
Minimum timing cycle not observed
Waiting for ignition position (LDS)
54
Faulty feedback signal of the control element position for ignition
capacity
Incorrect voltage supply to terminal 6
E 57
Flameless mode without HT signal
Internal error
E 80
Flame amplifier error/Device error
Internal error
E 89
Error in processing internal data
Flame amplifier or fuses defective
E 91
Check the wiring and fuses
Irregularities in the power supply
E 92
Direct voltage is connected or signal inputs and L are connected
to different phases
Internal error
E 94
Error at digital inputs
Internal error
E 95
Error at digital outputs
Internal error
E 96
Error when checking the SFR
No PCC, power module error
E 97
Insert compatible PCC, rectify power module contact error
Internal error
E 98
Error when writing to the EEProm
emBoss
E 99
Shut-down without application error
Minimum capacity not reached
E A
Position for minimum capacity has not been reached after 255 s
Maximum capacity not reached
E A
Position for maximum capacity has not been reached after 255 s
Ignition capacity not reached
E A
Position for ignition capacity has not been reached after 255 s
Communication with bus module
E E
Bus module fault
Parameter chip card (PCC)
E C C
Incorrect or defective PCC
POC valve open
E 1
No input signal for closed valve
POC valve closed
E 8
Valve not open
Air monitor “no flow” state
E 0
Fault Air monitor “no flow” state check. The signal from the
pressure switches is received at terminal 36 or 37 before the air
actuator is opened.
Low air pressure
E 1
Fault Air monitor operating check